As an educational musical instrument, this Interactive Piano Keyboard is a perfect gift for kids in the early ages, especially suite for preschool. It has 24 keys, 8 percussion instruments, 4 musical instruments, different volume and rhythms, “play & record”, Karaoke, external MP3 and mobile phone, equipped with microphone. If you don’t press any button for more than 2 minutes, it will be dormant automatically, followed by another piece of piano melody as indicator.